During the Changeling invasion, Chrysalis discovers an ancient mirror-prison and decides to test it on Twilight and Cadance. An AU Canterlot Wedding focused on Twilight, Cadance, Sunset, and their efforts to get back to Equestria.

Sequel of Sun's Equestria Girls Adventure: Daring Magic: As Sun and five of her friends visit, she ends up finding out a secret on her family's history, and word from the princess will help meet her. But when the pony of shadow appears along with friends of her ancestor, Sun's judgement, friendship, and hope is put to the test. Will she and her friends stop the evil shadow.